550252521061 has 2 divisors, whose sum is σ = 550252521062. Its totient is φ = 550252521060.

The previous prime is 550252521059. The next prime is 550252521107. The reversal of 550252521061 is 160125252055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401329852036 + 148922669025 = 633506^2 + 385905^2 .

It is a cyclic number.

It is not a de Polignac number, because 550252521061 - 2¹ = 550252521059 is a prime.

Together with 550252521059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (550252521461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275126260530 + 275126260531.

It is an arithmetic number, because the mean of its divisors is an integer number (275126260531).

Almost surely, 2^550252521061 is an apocalyptic number.

It is an amenable number.

550252521061 is a deficient number, since it is larger than the sum of its proper divisors (1).

550252521061 is an equidigital number, since it uses as much as digits as its factorization.

550252521061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30000, while the sum is 34.

The spelling of 550252521061 in words is "five hundred fifty billion, two hundred fifty-two million, five hundred twenty-one thousand, sixty-one".